1098361323 has 8 divisors (see below), whose sum is σ = 1627202000. Its totient is φ = 732240864.

The previous prime is 1098361309. The next prime is 1098361331. The reversal of 1098361323 is 3231638901.

1098361323 is a `hidden beast` number, since 10 + 9 + 8 + 3 + 613 + 23 = 666.

It is not a de Polignac number, because 1098361323 - 2⁴ = 1098361307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098361373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20339998 + ... + 20340051.

It is an arithmetic number, because the mean of its divisors is an integer number (203400250).

Almost surely, 2^1098361323 is an apocalyptic number.

1098361323 is a deficient number, since it is larger than the sum of its proper divisors (528840677).

1098361323 is an equidigital number, since it uses as much as digits as its factorization.

1098361323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40680058 (or 40680052 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1098361323 is about 33141.5347109937. The cubic root of 1098361323 is about 1031.7672626196.

The spelling of 1098361323 in words is "one billion, ninety-eight million, three hundred sixty-one thousand, three hundred twenty-three".